Question

To cover a distance of 81 km in 1.5 hours what should be the average speed of the car in meters/second?

• A. 10
• B. 15
• C. 12
• D. 9

Answer 1

Answer:

B. 15

Distance to be covered = 81 Speed = 81/1.5=54 km/hr Speed = 54* (5/18) = 15 m/s